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Rio Flex

Style 03598 · Red Wing, Minnesota

Rio Flex

$314.99

Size Size Guide
Width
Description

This CSA-approved premium square toe pull-on delivers heavy-duty performance in high western style. Featuring the innovative Dynamic Fit System that simplifies entry and secures the foot in place - the multi-way stretch panels allow for greater freedom of movement in a variety of positions, resulting in enhanced, all-day comfort. The internal metatarsal guard, steel safety toe, electrical hazard protection and advanced waterproofing deliver an extra measure of safety on the jobsite, while the subtle embroidery pattern conveys a clean, modern look. Underneath, the Barnstormer rubber outsole offers best-in-class oil, slip and abrasion resistance. Ideal for work in the farming, ranching, oil and gas, and construction trades.

Specifications
Safety ToeSteel Toe
Height11-inch
Leather TypeFull Grain, Waterproof and Oiled
TechnologyLenzi, Dynamic Fit System
WaterproofRed Wing Waterproofing
ShankNylon
Safety StandardsCSA
ColorBrown
ASTM StandardASTM F2413-24, I/C, Mt EH PR SR
CSA StandardCSA Grade 1, ESR Rated, PR, M
GenderMens
Closure SystemPull-On
Steel ToeYes
Soft ToeNo
Care ProductsLeather Protector, Boot Oil, Waterproof Cleaner
Care Kit3
Market Availabilitydomestic, international
Leather NameKrakatoa WP SPR
Leather ColorDesert Palm
HRO Heat ResistantYes
LenziYes
Red Wing Waterproofing SystemYes
InsulationNon-Insulated
ConstructionWelt
FootbedPolyurethane
InsoleLenzi PS5ES Puncture Resistant
Last689
OutsoleRed Wing BarnStormer - Dark Gray
Weight5 lbs.
ResoleableYes
SourcingGlobally Sourced
Puncture ResistantYes
Metatarsal GuardYes
Slip ResistantYes
Electrical HazardYes
FamilyRio Flex
Style3598
Fit & sizing

Most Red WingH boots use a true-to-size last. If you sit between sizes, try the half size. D is the standard men’s width; EE is wide. Full charts live on the Size Guide.

Shipping & returns

Free shipping on orders $50+ plus free returns. Unworn pairs come back within 30 days. See the shipping and returns pages for the full rules.

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Size, then width

Pick size first, then D or EE — the same order as the source last. Charts live on the size guide. Free shipping on orders $50+ plus free returns.